[Glass] Is it possible to disable tranlogs for some gems?

Mariano Martinez Peck via Glass glass at lists.gemtalksystems.com
Mon Aug 31 08:13:02 PDT 2015


OK the admin guide proposes to like:

STN_TRAN_LOG_DIRECTORIES = /dev/null, /dev/null;
STN_TRAN_FULL_LOGGING = TRUE;

But that still implies files modification and stone stop/start right? At
least I do not need to make a full backup? mmm sounds like....they forgot
to say that there?



On Mon, Aug 31, 2015 at 12:04 PM, Mariano Martinez Peck <
marianopeck at gmail.com> wrote:

> Hi guys,
>
> I almost sure the answer is no. But I would like to comment my scenario
> since there could be other workarounds. I have some daily cron jobs that
> run at night that do quite large commits. Basically, they read huge files
> and do a kind of bulk load into GemStone.
>
> Once of the things I notice is that for every day, I have like 4 log files
> of 1GB each. This makes much more space usage on disk (which in my case is
> importante) and also, I can imagine there is quite a performance downgrade
> while having to write logs.
>
> So since this jobs run at night, with little or none user connect, I am
> fine with not writing logs while these jobs run. "I am fine" in the sense
> that if the system crashes while doing so, I am ok to recover from previous
> checkpoint and lost a few transactions if any.
>
> However, it seems it is not possible to disable tranlogs for particular
> gems, right? In addition, I did not found an easy way to directly
> enable/disable logs of the stone. To disable, the admin guide says I must
> run a full backup, then change file, then stop stone, start again etc...So
> it seems quite complicated...
>
> Is there anything that could help me here?
>
> I am using GemStone 3.1.0.6
>
> Thanks in advance,
>
> --
> Mariano
> http://marianopeck.wordpress.com
>



-- 
Mariano
http://marianopeck.wordpress.com
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